1.[Adjustable DPI]This rechargeable gaming mouse has three levels of DPI (1200/1800/2400) that can be adjusted ly, and the mouse speed can match the game needs in time, providing a precise experience for computer games. Upgraded 2.4GHz wireless transmission technology provides reliable, precise and long-range connectivity up to 33 ft(10m). 2.[7 Colors Breathing Light Mouse]This computer gaming mouse adopts a unique crack design ,combined with 7-color auto-breathing backlight to create a gaming atmosphere and provide you with the gaming experience. If you don't need the backlight, you can turn it off by switch the bottom button. Note: Changing colors automatically and not stay at one color. 3.[Advanced Optical Sensor]The wireless gaming mouse gives you a fast and smooth experience, accurate positioning, and can enter the state anytime, anywhere. Built-in rechargeable lithium battery, no need to change the battery. Real intelligent power saving, the backlight will be turned off if the mouse is not use for 1 minute, and the mouse will enter a deep sleep state if the mouse is not operated for 15 minutes. 4.[Ergonomic Design]This computer gaming mouse with side buttons adopts a unique tail hollow design,Ergonomic to ensure that your hands are comfortable and not tired for a long time. Also, the mouse is sweat-proof, you can hold the gaming mouse firmly for accurate aiming/shooting/clicking. Quiet clicks for a quiet working environment.